Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...

A vast pool of Arctic air is again spilling south, the kind of outbreak that can turn highways into morguish car lots and ...

The science pros at TKOR upgrade their giant vortex cannon for stronger air blasts.

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

The National Weather Service on Thursday warned that “dangerously cold and very dry Arctic air” will spill into the ...

The atmosphere is a complicated place. Warm temperatures in one spot can contribute to brutally cold storms somewhere else.

LARGO, Fla. — One week after an EF1 tornado damaged dozens of homes in a Largo manufactured home community, residents are once again monitoring the weather as rain is expected to impact Tampa Bay ...